Note 3 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Loans charged-off	$ (1,148)	$ (395)
Recoveries	72	31
Total ending allowance balance	3,086	3,566
Beginning balance	3,566	2,432
Provision for loan losses	596	1,498
Total ending allowance balance	3,086	3,566	$ 3,086	$ 3,566
Loans individually evaluated for impairment			2,234	6,892
Loans collectively evaluated for impairment			271,214	249,935
Total ending loans balance			273,448	256,827
Individually evaluated for impairment			44	874
Collectively evaluated for impairment			3,042	2,692
Commercial Portfolio Segment [Member]
Loans charged-off	(6)
Recoveries	1
Total ending allowance balance	518	505
Beginning balance	505	316
Provision for loan losses	18	189
Total ending allowance balance	505	505	518	505
Loans individually evaluated for impairment			444	1,029
Loans collectively evaluated for impairment			45,993	42,219
Total ending loans balance			46,437	43,248
Individually evaluated for impairment
Collectively evaluated for impairment			518	505
Commercial Real Estate Portfolio Segment [Member]
Loans charged-off	(1,061)	(4)
Recoveries
Total ending allowance balance	2,038	2,518
Beginning balance	2,518	1,660
Provision for loan losses	581	862
Total ending allowance balance	2,518	2,518	2,038	2,518
Loans individually evaluated for impairment			1,587	5,105
Loans collectively evaluated for impairment			162,176	155,734
Total ending loans balance			163,763	160,839
Individually evaluated for impairment			42	868
Collectively evaluated for impairment			1,996	1,650
Residential Portfolio Segment [Member]
Loans charged-off	(44)	(311)
Recoveries	38	10
Total ending allowance balance	473	402
Beginning balance	402	289
Provision for loan losses	77	414
Total ending allowance balance	402	402	473	402
Loans individually evaluated for impairment			203	758
Loans collectively evaluated for impairment			57,901	46,166
Total ending loans balance			58,104	46,924
Individually evaluated for impairment			2	6
Collectively evaluated for impairment			471	396
Consumer Portfolio Segment [Member]
Loans charged-off	(37)	(80)
Recoveries	33	21
Total ending allowance balance	57	141
Beginning balance	141	167
Provision for loan losses	(80)	33
Total ending allowance balance	$ 141	$ 141	57	141
Loans individually evaluated for impairment
Loans collectively evaluated for impairment			5,144	5,816
Total ending loans balance			5,144	5,816
Individually evaluated for impairment
Collectively evaluated for impairment			$ 57	$ 141

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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Financing receivables that are current.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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